Jean-Louis Helle

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Gouvieux, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process of and apparatus for making three-dimensional objects
- Patent number 5,183,598
- Issue date Feb 2, 1993
- Dassault Aviation
- Jean-Louis Helle
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL